/*
 * MIT License
 *
 * Copyright (c) 2018 Alibaba Group
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.tmall.wireless.vaf.virtualview.view.text;

import com.libra.TextUtils;
import com.libra.Utils;
import com.libra.virtualview.common.StringBase;
import com.libra.virtualview.common.TextBaseCommon;
import com.libra.virtualview.common.ViewBaseCommon;
import ohos.agp.components.Component;
import ohos.agp.components.Text;
import ohos.agp.text.Font;
import ohos.agp.utils.Color;
import com.tmall.wireless.vaf.framework.VafContext;
import com.tmall.wireless.vaf.virtualview.core.ViewBase;
import com.tmall.wireless.vaf.virtualview.core.ViewCache;

/**
 * Created by gujicheng on 16/8/15.
 */
public class NativeText extends TextBase {

    private final static String TAG = "NativeText_TMTEST";

    protected NativeTextImp mNative;

    // protected VVLineHeightSpannableStringBuilder mSpannableStringBuilder;

    protected boolean mSupportHtmlStyle = false;

    protected float mLineSpaceMultipiler = 1.0f;

    protected float mLineSpaceExtra = 0.0f;

    protected float mLineHeight = Float.NaN;

    public NativeText(VafContext context, ViewCache viewCache) {
        super(context, viewCache);

        mNative = new NativeTextImp(context.forViewConstruction());
    }

    @Override
    public void setText(String text) {
        if (!TextUtils.equals(text, mText)) {
            mText = text;
            setRealText(mText);
        }
    }

    @Override
    public void setTextColor(int color) {
        if (mTextColor != color) {
            mTextColor = color;
            mNative.setTextColor(new Color(mTextColor));
        }
    }

    @Override
    public void reset() {
        super.reset();
    }

    @Override
    public Component getNativeView() {
        return mNative;
    }

    @Override
    public void onComMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        mNative.onComMeasure(widthMeasureSpec, heightMeasureSpec);
    }

    @Override
    public void onComLayout(boolean changed, int l, int t, int r, int b) {
        mNative.onComLayout(changed, l, t, r, b);
    }

    @Override
    public void measureComponent(int widthMeasureSpec, int heightMeasureSpec) {
        mNative.measureComponent(widthMeasureSpec, heightMeasureSpec);
    }

    @Override
    public int getComMeasuredWidth() {
        return mNative.getComMeasuredWidth();
    }

    @Override
    public int getComMeasuredHeight() {
        return mNative.getComMeasuredHeight();
    }

    @Override
    public void comLayout(int l, int t, int r, int b) {
        super.comLayout(l, t, r, b);
        mNative.comLayout(l, t, r, b);
    }

    @Override
    public void onParseValueFinished() {
        super.onParseValueFinished();
        mNative.setTextSize(mTextSize, Text.TextSizeType.PX);
        mNative.setBorderColor(mBorderColor);
        mNative.setBorderWidth(mBorderWidth);
        mNative.setBorderTopLeftRadius(mBorderTopLeftRadius);
        mNative.setBorderTopRightRadius(mBorderTopRightRadius);
        mNative.setBorderBottomLeftRadius(mBorderBottomLeftRadius);
        mNative.setBorderBottomRightRadius(mBorderBottomRightRadius);
        mNative.setBackgroundColor(mBackground);
        mNative.setTextColor(new Color(mTextColor));

        //TODO 无对应处理
//        int flag = Paint.ANTI_ALIAS_FLAG;
//        if (0 != (mTextStyle & TextBaseCommon.BOLD)) {
//            flag |= Paint.FAKE_BOLD_TEXT_FLAG;
//        }
//        if (0 != (mTextStyle & TextBaseCommon.STRIKE)) {
//            flag |= Paint.STRIKE_THRU_TEXT_FLAG;
//        }
//        if (0 != (mTextStyle & TextBaseCommon.UNDERLINE)) {
//            flag |= Paint.UNDERLINE_TEXT_FLAG;
//        }
//        mNative.setPaintFlags(flag);


        if (0 != (mTextStyle & TextBaseCommon.ITALIC)) {
            //  mNative.setTypeface(null, Typeface.BOLD_ITALIC);
            //设置粗斜体
            Font.Builder builder = new Font.Builder("");
            builder.setWeight(Font.BOLD);
            builder.makeItalic(true);
            mNative.setFont(builder.build());
        }
        // mNative.setLines(mLines);
        if (mLines == 1) {
            mNative.setMultipleLine(false);
        } else {
            mNative.setMultipleLine(true);
        }
        if (mLines > 0) {
            mNative.setMaxTextLines(mLines);
        }
        if (mEllipsize >= 0) {
            // mNative.setEllipsize(TextUtils.TruncateAt.values()[mEllipsize]);
            mNative.setTruncationMode(Text.TruncationMode.values()[mEllipsize]);
        }

        int gravity = 0;
        if (0 != (mGravity & ViewBaseCommon.LEFT)) {
            //  gravity |= Gravity.LEFT;
            gravity |= 4;
        } else if (0 != (mGravity & ViewBaseCommon.RIGHT)) {
            // gravity |= Gravity.RIGHT;
            gravity |= 16;
        } else if (0 != (mGravity & ViewBaseCommon.H_CENTER)) {
            //  gravity |= Gravity.CENTER_HORIZONTAL;
            gravity |= 8;
        }
        if (0 != (mGravity & ViewBaseCommon.TOP)) {
            //  gravity |= Gravity.TOP;
            gravity |= 32;
        } else if (0 != (mGravity & ViewBaseCommon.BOTTOM)) {
            //   gravity |= Gravity.BOTTOM;
            gravity |= 128;
        } else if (0 != (mGravity & ViewBaseCommon.V_CENTER)) {
            // gravity |= Gravity.CENTER_VERTICAL;
            gravity |= 64;
        }
        //    mNative.setGravity(gravity);
        mNative.setTextAlignment(gravity);

        mNative.setLineSpacing(mLineSpaceExtra, mLineSpaceMultipiler);

        if (!TextUtils.isEmpty(mText)) {
            setRealText(mText);
        } else {
            setRealText("");
        }
    }

    @Override
    public void setData(Object data) {
        super.setData(data);

        if (data instanceof String) {
            setRealText((String) data);
        }
    }

    protected void setRealText(String str) {

        // CharSequence content = mSupportHtmlStyle ? Html.fromHtml(str) : str;
        //TODO 无对应方法
        //  CharSequence content = str;

        mNative.setText(str);
//        if (!Float.isNaN(mLineHeight)) {
//            if (mSpannableStringBuilder == null) {
//                mSpannableStringBuilder = new VVLineHeightSpannableStringBuilder();
//            }
//            mSpannableStringBuilder.setContent(content, mLineHeight);
//            //   mNative.setText( mSpannableStringBuilder);
//            mNative.setRichText(mSpannableStringBuilder.build());
//        } else {
//            mNative.setText(content.toString());
//        }
    }

    @Override
    protected boolean setAttribute(int key, int value) {
        boolean ret = super.setAttribute(key, value);

        if (!ret) {
            ret = true;
            switch (key) {
                case StringBase.STR_ID_supportHTMLStyle:
                    mSupportHtmlStyle = (value > 0) ? true : false;
                    break;

                case StringBase.STR_ID_lineSpaceMultiplier:
                    mLineSpaceMultipiler = value;
                    break;

                case StringBase.STR_ID_lineSpaceExtra:
                    mLineSpaceExtra = value;
                    break;

                case StringBase.STR_ID_maxLines:
                    // mNative.setMaxLines(value);
                    if (value > 1) {
                        mNative.setMultipleLine(true);
                    }
                    mNative.setMaxTextLines(value);
                    break;
                case StringBase.STR_ID_lineHeight:
                    mLineHeight = Utils.dp2px(value);
                    break;
                default:
                    ret = false;
                    break;
            }
        }

        return ret;
    }

    @Override
    protected boolean setAttribute(int key, float value) {
        boolean ret = super.setAttribute(key, value);

        if (!ret) {
            ret = true;
            switch (key) {
                case StringBase.STR_ID_supportHTMLStyle:
                    mSupportHtmlStyle = (value > 0) ? true : false;
                    break;

                case StringBase.STR_ID_lineSpaceMultiplier:
                    mLineSpaceMultipiler = value;
                    break;

                case StringBase.STR_ID_lineSpaceExtra:
                    mLineSpaceExtra = value;
                    break;
                case StringBase.STR_ID_lineHeight:
                    mLineHeight = Utils.dp2px(value);
                    break;
                default:
                    ret = false;
                    break;
            }
        }

        return ret;
    }

    @Override
    protected boolean setRPAttribute(int key, int value) {
        boolean ret = super.setRPAttribute(key, value);
        if (!ret) {
            ret = true;
            switch (key) {
                case StringBase.STR_ID_lineHeight:
                    mLineHeight = Utils.rp2px(value);
                    break;
                default:
                    ret = false;
                    break;
            }

        }

        return ret;
    }

    @Override
    protected boolean setRPAttribute(int key, float value) {
        boolean ret = super.setRPAttribute(key, value);
        if (!ret) {
            ret = true;
            switch (key) {
                case StringBase.STR_ID_lineHeight:
                    mLineHeight = Utils.rp2px(value);
                    break;
                default:
                    ret = false;
                    break;
            }

        }

        return ret;
    }

    @Override
    protected boolean setAttribute(int key, String stringValue) {
        boolean ret = super.setAttribute(key, stringValue);
        if (!ret) {
            ret = true;
            switch (key) {
                case StringBase.STR_ID_lineHeight:
                    mViewCache.put(this, StringBase.STR_ID_lineHeight, stringValue, ViewCache.Item.TYPE_FLOAT);
                    break;
                default:
                    ret = false;
                    break;
            }
        }
        return ret;
    }

    public static class Builder implements IBuilder {
        @Override
        public ViewBase build(VafContext context, ViewCache viewCache) {
            return new NativeText(context, viewCache);
        }
    }

//    public static class VVLineHeightSpannableStringBuilder extends RichTextBuilder {
//
//        private VVLineHeightSpan mVVLineHeightSpan;
//
//
//        public void setContent(CharSequence sequence, float lineHeight) {
//            clear();
//            clearSpans();
//            if (mVVLineHeightSpan == null) {
//                mVVLineHeightSpan = new VVLineHeightSpan(lineHeight);
//            } else {
//                mVVLineHeightSpan.setHeight(lineHeight);
//            }
//            append(sequence);
//
//            setSpan(mVVLineHeightSpan, 0, sequence.length(), Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
//        }
//
//    }
//
//    /**
//     * It is learned from facebook's ReactiveNative.
//     */
//    public static class VVLineHeightSpan implements LineHeightSpan {
//
//        private int mHeight;
//
//        VVLineHeightSpan(float height) {
//            this.mHeight = (int) Math.ceil(height);
//        }
//
//        public void setHeight(float height) {
//            mHeight = (int) Math.ceil(height);
//        }
//
//        public int getHeight() {
//            return mHeight;
//        }
//
//        @Override
//        public void chooseHeight(
//                CharSequence text,
//                int start,
//                int end,
//                int spanstartv,
//                int v,
//                Paint.FontMetricsInt fm) {
//            // This is more complicated that I wanted it to be. You can find a good explanation of what the
//            // FontMetrics mean here: http://stackoverflow.com/questions/27631736.
//            // The general solution is that if there's not enough height to show the full line height, we
//            // will prioritize in this order: descent, ascent, bottom, top
//
//            if (fm.descent > mHeight) {
//                // Show as much descent as possible
//                fm.bottom = fm.descent = Math.min(mHeight, fm.descent);
//                fm.top = fm.ascent = 0;
//            } else if (-fm.ascent + fm.descent > mHeight) {
//                // Show all descent, and as much ascent as possible
//                fm.bottom = fm.descent;
//                fm.top = fm.ascent = -mHeight + fm.descent;
//            } else if (-fm.ascent + fm.bottom > mHeight) {
//                // Show all ascent, descent, as much bottom as possible
//                fm.top = fm.ascent;
//                fm.bottom = fm.ascent + mHeight;
//            } else if (-fm.top + fm.bottom > mHeight) {
//                // Show all ascent, descent, bottom, as much top as possible
//                fm.top = fm.bottom - mHeight;
//            } else {
//                // Show proportionally additional ascent / top & descent / bottom
//                final int additional = mHeight - (-fm.top + fm.bottom);
//
//                // Round up for the negative values and down for the positive values  (arbritary choice)
//                // So that bottom - top equals additional even if it's an odd number.
//                fm.top -= Math.ceil(additional / 2.0f);
//                fm.bottom += Math.floor(additional / 2.0f);
//                fm.ascent = fm.top;
//                fm.descent = fm.bottom;
//            }
//        }
//    }

}
